Home / 91,946.60-137,919.90-32,784.20

Finding the Fourth Proportional to 91,946.60, 137,919.90 and 32,784.20

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Solution

The fourth proportional to 91,946.60, 137,919.90 and 32,784.20 is: 49,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,946.60 : 137,919.90 = 32,784.20 : x
  2. Step 2: Convert to fraction form
    91,946.60/137,919.90 = 32,784.20/x
  3. Step 3: Cross multiply
    91,946.60x = 137,919.90 × 32,784.20
  4. Step 4: Simplify right side
    91,946.60x = 4,521,593,585.58
  5. Step 5: Solve for x
    x = 4,521,593,585.58/91,946.60
  6. Step 6: Final answer
    x = 49,176.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.